Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

solve.............. The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not

solve..............

image text in transcribed
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 5; 13; 3; 11; 8; 8; 10. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10? Conduct a hypothesis test at the 5% level. Note: If you are using a Student's t-distribution for the problem, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) + Part (a) + Part (b) + Part (c) + Part (d) + Part (e) + Part (f) + Part (9) Part (h) Indicate the correct decision ("reject" or "do not reject" the null hypothesis), the reason for it, and write an appropriate conclusion. (i) Alpha (Enter an exact number as an integer, fraction, or decimal.) a = (ii) Decision: O reject the null hypothesis O do not reject the null hypothesis (iii) Reason for decision: Since a > p-value, we do not reject the null hypothesis. O Since a p-value, we reject the null hypothesis. O Since a

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Boundary Value Problems And Partial Differential Equations

Authors: David L Powers, Powers Shelley

6th Edition

0080884415, 9780080884417

More Books

Students also viewed these Mathematics questions

Question

=+48. Oil prices, again. Return to the oil price data of Exercise

Answered: 1 week ago

Question

When and how will strategy reviews take place?

Answered: 1 week ago

Question

Do you know how you will monitor progress?

Answered: 1 week ago